Linearity Test Masses - OHAUS NV212 Service Manual

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Instruction manual (15 pages)

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Table of Contents

CHAPTER 4 TESTING

4.5.3 Linearity Test

This test is used to determine the linearity of the unit throughout its operating range. The masses

used to perform this test can be utility masses.

NOTE:

The scale must pass the Precision and Repeatability Tests, and be calibrated before the

Linearity Test may be performed.

Model

NV212

NV311(N or M)

NV511

NV1101

NV2101

NV4101

NV5101

NVL511

NVL1101

NVL2101

NV3100(N or M)

NVL5101

NVL10000

NVL20000

NVT1601

NVT1601(N or M)

NVT3201

NVT3200(N or M)

NVT6400(N or M)

NVT6401

NVT10001

NVT16000

NVT16000(N or M)

NOTE: All masses are nominal values. Be certain to use the same reference mass throughout the

procedure.

2. Place the test mass on the Scale, record the weight and remove.

3. Place Load 1 on the Scale and press TARE.

4. Place the test mass on the Scale, record the weight and remove.

5. Place Load 2 on the Scale and press TARE.

6. Place the test mass on the Scale, record the weight and remove.

7. Place Load 3 on the Scale and press TARE.

8. Place the test mass on the Scale and record the weight.

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TABLE 4-4